<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
  <head>
     <title>用户登录与注销</title>
   </head>  
  <body>
   <form  action="example2_2_2a.jsp" method="post"> 
   		姓名<input type="text" name="username"/><br> 
  		 密码<input type="password" name="password"/><br>      
    	<input type="submit"  value="登录" id="submit"/>
   </form>
  </body>
</html>
